fix solr query ngram

data/conf/solr/solr-schema-7.7.0.xml

@@ -18,7 +18,6 @@
     </analyzer>
     <analyzer type="query">
       <tokenizer class="solr.StandardTokenizerFactory"/>
-      <filter class="solr.EdgeNGramFilterFactory" minGramSize="3" maxGramSize="20"/>
       <filter class="solr.SynonymGraphFilterFactory" expand="true" ignoreCase="true" synonyms="synonyms.txt"/>
       <filter class="solr.FlattenGraphFilterFactory"/>
       <filter class="solr.StopFilterFactory" words="stopwords.txt" ignoreCase="true"/>